Article
No evidence that carotenoid pigments boost either immune or antioxidant defenses in a songbird.
Nature communications - 5 Feb 2018
Koch Rebecca E, Kavazis Andreas N, Hasselquist Dennis, Hood Wendy R, Zhang Yufeng, Toomey Matthew B, Hill Geoffrey E
Abstract excerpt
Dietary carotenoids have been proposed to boost immune system and antioxidant functions in vertebrate animals, but studies aimed at testing these physiological functions of carotenoids have often failed to find support. Here we subject yellow canaries (Serinus canaria), which possess high levels of carotenoids in their tissue, and white recessive canaries, which possess a knockdown mutation that results in very...
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